As face masks became mandatory in most countries during the COVID-19 pandemic, adverse effects require substantiated investigation.
https://www.frontiersin.org/articles/10.3389/fpubh.2023.1125150/full
Toms Blog on Life and Livingness
As face masks became mandatory in most countries during the COVID-19 pandemic, adverse effects require substantiated investigation.
https://www.frontiersin.org/articles/10.3389/fpubh.2023.1125150/full